package com.jl.design.principle.dependenceinversion;

public class Test {
//    V1
//    public static void main(String[] args) {
//        User user = new User();
//        user.studyFe();
//        user.studyJava();
//    }


    public static void main(String[] args) {
        User user = new User();
        user.studyImoocCourse(new JavaCourse());
        user.studyImoocCourse(new FECourse());
    }
}
